add_executable(example_hold_1 hold_1.cpp)
target_link_libraries(example_hold_1 PUBLIC matplot)

add_executable(example_hold_2 hold_2.cpp)
target_link_libraries(example_hold_2 PUBLIC matplot)

add_executable(example_hold_3 hold_3.cpp)
target_link_libraries(example_hold_3 PUBLIC matplot)

add_executable(example_hold_4 hold_4.cpp)
target_link_libraries(example_hold_4 PUBLIC matplot)



